Home / 39,353.76-59,046.80-28,877.20

Finding the Fourth Proportional to 39,353.76, 59,046.80 and 28,877.20

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Solution

The fourth proportional to 39,353.76, 59,046.80 and 28,877.20 is: 43,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.76 : 59,046.80 = 28,877.20 : x
  2. Step 2: Convert to fraction form
    39,353.76/59,046.80 = 28,877.20/x
  3. Step 3: Cross multiply
    39,353.76x = 59,046.80 × 28,877.20
  4. Step 4: Simplify right side
    39,353.76x = 1,705,106,252.96
  5. Step 5: Solve for x
    x = 1,705,106,252.96/39,353.76
  6. Step 6: Final answer
    x = 43,327.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.